TECO SG2 Series - SG2 Model Identification

2.2 Traditional solution
Whenever B1 or B 2 senses the approach of a visitor, the door is actuated to open. After an elapse
of time, B1 or B2 senses no presence of a visitor; MC 4 will close the door.
2.3 Apply SG2 in Door Control System
Applying SG2 in door control system can simplify the circuit. All that one need to do is
connect the action sensor, limit switch and contactor with SG2.
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